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39428078901 = 3415354711057
BaseRepresentation
bin100100101110000110…
…001011110100110101
310202202210212221020120
4210232012023310311
51121222042011101
630040224322153
72564031066231
oct445606136465
9122683787216
1039428078901
11157a3139282
127784473359
133944738403
141ca06535c1
15105b6b3b36
hex92e18bd35

39428078901 has 32 divisors (see below), whose sum is σ = 54974360448. Its totient is φ = 25112156160.

The previous prime is 39428078891. The next prime is 39428078909. The reversal of 39428078901 is 10987082493.

39428078901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39428078901 - 27 = 39428078773 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39428078909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3560365 + ... + 3571421.

It is an arithmetic number, because the mean of its divisors is an integer number (1717948764).

Almost surely, 239428078901 is an apocalyptic number.

It is an amenable number.

39428078901 is a deficient number, since it is larger than the sum of its proper divisors (15546281547).

39428078901 is a wasteful number, since it uses less digits than its factorization.

39428078901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11701.

The product of its (nonzero) digits is 870912, while the sum is 51.

The spelling of 39428078901 in words is "thirty-nine billion, four hundred twenty-eight million, seventy-eight thousand, nine hundred one".

Divisors: 1 3 41 53 123 159 547 1641 2173 6519 11057 22427 28991 33171 67281 86973 453337 586021 1188631 1360011 1758063 3565893 6048179 18144537 24026861 72080583 247975339 320553487 743926017 961660461 13142692967 39428078901